﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using WXYW.BLL;
using WXYW.DAL;

namespace WXYW
{
    public partial class SearchProduct : System.Web.UI.Page
    {
        public int RecordsNumber { get; set; }
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                BindMainDataList();
            }
        }

        private void BindMainDataList()
        {
            ProductService service = new ProductService();
            List<Product> datas = service.GetProductsByKeyword(keyWordTextBox.Text);
            mainGridView.DataSource = datas;
            mainGridView.DataBind();

            RecordsNumber = null != datas ? datas.Count() : 0;
        }

        protected void mainGridView_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            if (e.NewPageIndex >= 0 && e.NewPageIndex < mainGridView.PageCount)
            {
                mainGridView.PageIndex = e.NewPageIndex;
            }
            BindMainDataList();
        }

        protected void searchLinkButton_Click(object sender, EventArgs e)
        {
            BindMainDataList();
        }

        protected void resetLinkButton_Click(object sender, EventArgs e)
        {
            keyWordTextBox.Text = "";
            BindMainDataList();
        }

        protected void mainGridView_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.DataItem != null)
            {
                e.Row.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#FFFF99'");
                e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
                ((Label)e.Row.FindControl("IDLbl")).Text = (e.Row.RowIndex + 1).ToString();
            }

            if (e.Row.RowType == DataControlRowType.Pager)
            {
                DropDownList pageDDL = e.Row.FindControl("pageDDL") as DropDownList;
                for (int index = 1; index <= mainGridView.PageCount; index++)
                {
                    pageDDL.Items.Add(index.ToString());
                }
                pageDDL.SelectedValue = (mainGridView.PageIndex + 1).ToString();
            }
        }

        protected void pageDDL_SelectedIndexChanged(object sender, EventArgs e)
        {
            DropDownList pageDDL = sender as DropDownList;
            mainGridView.PageIndex = Convert.ToInt32(pageDDL.SelectedIndex);
            BindMainDataList();
        }
    }
}
